A type of Bhāṣā (articulation of speech);
that speech which is neither a truth nor a lie, i.e., Vyavahāra Bhāṣā (speech for pragmatic purposes), e.g., to give invitation, to give commandments etc..
āmaṃtraṇājñāpanādiviṣayā asatyāmṛṣā.
(Prajñā 11.2 Vṛ Pa 248)